Linksys AG041 Bedienungsanleitung

A Division of Cisco Systems, Inc.

Model No.

WIRED User Guide

with 4-Port Switch

AG041 (EU)

ADSL Gateway

ADSL Gateway with 4-Port Switch

Specifications are subject to change without notice. Linksys is a registered trademark or trademark of Cisco

rights reserved. Other brands and product names are trademarks or registered trademarks of their respective

holders.

How to Use this Guide

Your Guide to the ADSL Gateway has been designed to make understanding networking with the Gateway easier

than ever. Look for the following items when reading this User Guide:

In addition to these symbols, there are definitions for technical terms that are presented like this:

Also, each figure (diagram, screenshot, or other image) is provided with a figure number and description, like

this:

Figure numbers and descriptions can also be found in the "List of Figures" section in the “Table of Contents”.

AG041-UG-EU-40429NC BW

This exclamation point means there is a Caution or

Warning and is something that could damage your

property or the Gateway.

word: definition.

This checkmark means there is a Note of interest and

is something you should pay special attention to while

using the Gateway.

This question mark provides you with a reminder about

something you might need to do while using the Gateway.

Figure 0-1: Sample Figure Description

ADSL Gateway with 4-Port Switch

Table of Contents

Chapter 1: Introduction1

Welcome 1

What’s in this Guide? 2

Chapter 2: Planning your Network 4

The Gateway’s Functions 4

IP Addresses 4

What is a VPN? 5

Why do I need a VPN? 6

Chapter 3: Getting to Know the ADSL Gateway 8

The Back Panel 8

The Front Panel 9

Chapter 4: Connecting the ADSL Gateway 10

Overview 10

Connecting to a Computer 10

Chapter 5: Configuring the ADSL Gateway 12

Overview 12

How to Access the Web-based Utility 13

The Setup Tab 14

The Security Tab 22

The Access Restrictions Tab 27

The Applications and Gaming Tab 29

The Administration Tab 32

The Status Tab 37

Appendix A: Troubleshooting 39

Common Problems and Solutions 39

Frequently Asked Questions 47

Appendix B: Configuring IPSec between a Windows 2000

or XP Computer and the Gateway 51

Introduction 51

Environment 51

How to Establish a Secure IPSec Tunnel 52

Appendix C: Finding the MAC Address and IP Address for Your Ethernet Adapter 62

ADSL Gateway with 4-Port Switch

Windows 98 or Me Instructions 62

Windows 2000 or XP Instructions 63

Appendix D: Upgrading Firmware 64

Appendix E: Windows Help 65

Appendix F: Glossary 66

Appendix G: Specifications 70

Appendix H: Warranty Information 71

Appendix I: Regulatory Information 72

Appendix J: Contact Information 73

ADSL Gateway with 4-Port Switch

List of Figures

Figure 2-1: A Network with the Gateway 4

Figure 2-2: Computer-to-VPN Gateway 6

Figure 2-3: VPN Gateway-to-VPN Gateway 7

Figure 3-1: Back Panel 8

Figure 3-2: Front Panel 9

Figure 4-1: Connect your network 10

Figure 4-2: Connect your ADSL modem 10

Figure 4-3: Connect power 11

Figure 5-1: Password Screen 14

Figure 5-2: Basic Setup Tab 14

Figure 5-3: Internet Setup - Dynamic IP 15

Figure 5-4: Internet Setup - Static IP 15

Figure 5-5: Internet Setup - RFC 1483 Routed 16

Figure 5-6: Internet Setup - RFC 2516 PPPoE 16

Figure 5-7: Internet Setup - RFC 2364 PPPoA 17

Figure 5-8: Internet Setup - Bridged Mode Only 17

Figure 5-9: Setup Tab - Optional Settings 18

Figure 5-10: Setup Tab - DDNS 19

Figure 5-11: Setup Tab - Advanced Routing 20

Figure 5-12: Routing Table 21

Figure 5-13: Security Tab - Firewall 22

Figure 5-14: Security Tab - VPN 23

Figure 5-15: VPN with Manual Key Management 24

Figure 5-16: Advanced IPSec VPN Tunnel Setup 25

Figure 5-17: Access Restrictions - Internet Access 27

Figure 5-18: Internet Policy Summary 27

Figure 5-19: List of PCs 28

Figure 5-20: Port Services 28

Figure 5-21: Applications & Gaming - Single Port Forwarding 29

Figure 5-22: Applications & Gaming - Port Range Forwarding 30

ADSL Gateway with 4-Port Switch

Figure 5-23: Applications & Gaming - Port Triggering 30

Figure 5-24: Applications & Gaming - DMZ 31

Figure 5-25: Administration tab - Management 32

Figure 5-26: Administration tab - Reporting 34

Figure 5-27: Adminstration tab - Diagnostics 35

Figure 5-28: Administration tab - Factory Defaults 35

Figure 5-29: Administration tab - Firmware Upgrade 36

Figure 5-30: Status tab - Gateway 37

Figure 5-31: Status tab - Local Network 38

Figure 5-32: DHCP Active IP Table 38

Figure 5-33: Status tab - DSL Connection 38

Figure B-1: Local Security Screen 52

Figure B-2: Rules Tab 52

Figure B-3: IP Filter List Tab 52

Figure B-4: IP Filter LIst 53

Figure B-5: Filters Properties 53

Figure B-6: New Rule Properties 53

Figure B-7: IP Filter List 54

Figure B-8: Filters Properties 54

Figure B-9: New Rule Properties 54

Figure B-10: IP Filter List Tab 55

Figure B-11: Filter Acton Tab 55

Figure B-12: Security Methods Tab 55

Figure B-13: Authentication Methods 56

Figure B-14: Preshared Key 56

Figure B-15: New Preshared Key 56

Figure B-16: Tunnel Setting Tab 57

Figure B-17: Connection Type Tab 57

Figure B-18: Properties Screen 57

Figure B-19: IP Filter List Tab 58

Figure B-20: Filter Action Tab 58

Figure B-21: Authentication Methods Tab 58

Figure B-22: Preshared Key 59

ADSL Gateway with 4-Port Switch

Figure B-23: New Preshared Key 59

Figure B-24: Tunnel Setting Tab 59

Figure B-25: Connection Type 60

Figure B-26: Rules 60

Figure B-27: Local Computer 60

Figure B-28: VPN Tab 61

Figure C-1: IP Configuration Screen 62

Figure C-2: MAC Address/Adapter Address 62

Figure C-3: MAC Address/Physical Address 63

Figure D-1: Upgrade Firmware 64

Chapter 1: Introduction

Welcome

ADSL Gateway with 4-Port Switch

Chapter 1: Introduction

Welcome

Thank you for choosing the ADSL Gateway with 4-Port Switch. This Gateway will allow your computers to share a

high-speed Internet connection with its built-in modem, as well as share resources, including files and printers,

through its built-in Switch. Because the modem, router, and switch are all built-in, creating a network is easier

than ever.

Put simply, networks are useful tools for sharing computer resources. You can access one printer from different

computers and access data located on another computer’s hard drive. Networks are even used for playing

multiplayer video games. So, networks not only are useful in homes and offices, but also can be fun.

To create your network, install and set up the Gateway. To guide you through the process, use the instructions in

the Quick Installation or the directions in this User Guide to help you. These instructions should be all you need to

get the most out of the Gateway and, for more advanced users, this User Guide shows you many of the Gateway’s

Advanced uses as well. This User Guide also contains appendices to answer further questions and a Glossary if

you’re unfamiliar with terms. Basically, if you have a question about the Gateway, you should find the answers

within.

network: a series of computers or devices

connected for the purpose of data sharing,

storage, and/or transmission between users

port: the connection point on a computer or networking

device used for plugging in cables or adapters

router: a networking device that connects

multiple networks together

Chapter 1: Introduction

What’s in this Guide?

ADSL Gateway with 4-Port Switch

What’s in this Guide?

This user guide covers the steps for setting up and using the ADSL Gateway.

• Chapter 1: Introduction

This chapter describes the ADSL Gateway and its documentation.

• Chapter 2: Planning your Network

This chapter describes the basics of networking.

• Chapter 3: Getting to Know the ADSL Gateway

This chapter describes the physical features of the Gateway.

• Chapter 4: Connecting the ADSL Gateway

This chapter instructs you on how to connect the Gateway to your network.

• Chapter 5: Configuring the Gateway

This chapter explains how to use the Web-Based Utility to configure the settings on the Gateway.

• Appendix A: Troubleshooting

This appendix describes some problems and solutions, as well as frequently asked questions, regarding

installation and use of the ADSL Gateway.

• Appendix B: Configuring IPSec between a Windows 2000 Computer and the Gateway

This appendix instructs you on how to establish a secure IPSec tunnel using preshared keys to join a private

network inside the VPN Gateway and a Windows 2000 or XP computer.

• Appendix C: Finding the MAC Address and IP Address for your Ethernet Adapter.

This appendix describes how to find the MAC address for your computer’s Ethenet adapter so you can use the

MAC filtering and/or MAC address cloning feature of the Gateway.

• Appendix D: Upgrading Firmware

This appendix instructs you on how to upgrade the firmware on your Gateway if you should need to do so.

• Appendix E: Windows Help

This appendix describes how you can use Windows Help for instructions about networking, such as installing

the TCP/IP protocol.

• Appendix F: Glossary

This appendix gives a brief glossary of terms frequently used in networking.

Chapter 1: Introduction

What’s in this Guide?

ADSL Gateway with 4-Port Switch

• Appendix G: Specifications

This appendix provides the technical specifications for the Gateway.

• Appendix H: Warranty Information

This appendix supplies the warranty information for the Gateway.

• Appendix I: Regulatory Information

This appendix supplies the regulatory information regarding the Gateway.

• Appendix J: Contact Information

This appendix provides contact information for a variety of Linksys resources, including Technical Support.

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